94 lines
3.0 KiB
Dart
94 lines
3.0 KiB
Dart
import 'package:fl_chart/fl_chart.dart';
|
|
import 'package:flutter/material.dart';
|
|
|
|
import '../models/refuel.dart';
|
|
|
|
class GasPriceChart extends StatelessWidget {
|
|
final List<Refuel> refuels;
|
|
|
|
const GasPriceChart({super.key, required this.refuels});
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final spots = <FlSpot>[];
|
|
final labels = <String>[];
|
|
for (var i = 0; i < refuels.length; i++) {
|
|
final refuel = refuels[i];
|
|
spots.add(FlSpot(spots.length.toDouble(), refuel.pricePerLiter));
|
|
final date = refuel.createdAt;
|
|
labels.add(date != null ? '${date.month}/${date.day}' : '');
|
|
}
|
|
|
|
return LineChart(
|
|
LineChartData(
|
|
lineBarsData: [
|
|
LineChartBarData(
|
|
spots: spots,
|
|
isCurved: true,
|
|
barWidth: 3,
|
|
color: Theme.of(context).colorScheme.primary,
|
|
dotData: const FlDotData(show: true),
|
|
)
|
|
],
|
|
lineTouchData: LineTouchData(
|
|
touchTooltipData: LineTouchTooltipData(
|
|
tooltipBgColor: Colors.black87,
|
|
tooltipMargin: 40,
|
|
fitInsideHorizontally: true,
|
|
fitInsideVertically: true,
|
|
getTooltipItems: (spots) => spots
|
|
.map((s) => LineTooltipItem(
|
|
s.y.toStringAsFixed(2),
|
|
const TextStyle(color: Colors.white)))
|
|
.toList(),
|
|
),
|
|
),
|
|
titlesData: FlTitlesData(
|
|
leftTitles: AxisTitles(
|
|
axisNameSize: 28,
|
|
axisNameWidget: const Padding(
|
|
padding: EdgeInsets.only(right: 8),
|
|
child: Text('Price/L'),
|
|
),
|
|
sideTitles: SideTitles(
|
|
showTitles: true,
|
|
reservedSize: 50,
|
|
getTitlesWidget: (value, meta) => Padding(
|
|
padding: const EdgeInsets.only(right: 4),
|
|
child: Text(value.toStringAsFixed(1),
|
|
style: const TextStyle(fontSize: 10)),
|
|
),
|
|
),
|
|
),
|
|
bottomTitles: AxisTitles(
|
|
axisNameSize: 24,
|
|
axisNameWidget: const Padding(
|
|
padding: EdgeInsets.only(top: 8),
|
|
child: Text('Date'),
|
|
),
|
|
sideTitles: SideTitles(
|
|
showTitles: true,
|
|
reservedSize: 36,
|
|
getTitlesWidget: (value, meta) {
|
|
final index = value.toInt();
|
|
if (index < 0 || index >= labels.length) {
|
|
return const SizedBox.shrink();
|
|
}
|
|
return Padding(
|
|
padding: const EdgeInsets.only(top: 4),
|
|
child: Text(labels[index],
|
|
style: const TextStyle(fontSize: 10)),
|
|
);
|
|
},
|
|
),
|
|
),
|
|
rightTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
|
|
topTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
|
|
),
|
|
gridData: const FlGridData(show: false),
|
|
borderData: FlBorderData(show: false),
|
|
),
|
|
);
|
|
}
|
|
}
|